2142378

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{347}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 5428800

約数和(自身を除く): 3286422

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 347, 441, 686, 694, 882, 1029, 1041, 2058, 2082, 2429, 3087, 3123, 4858, 6174, 6246, 7287, 14574, 17003, 21861, 34006, 43722, 51009, 102018, 119021, 153027, 238042, 306054, 357063, 714126, 1071189, 2142378]

約数ペア:

[(1, 2142378), (2, 1071189), (3, 714126), (6, 357063), (7, 306054), (9, 238042), (14, 153027), (18, 119021), (21, 102018), (42, 51009), (49, 43722), (63, 34006), (98, 21861), (126, 17003), (147, 14574), (294, 7287), (343, 6246), (347, 6174), (441, 4858), (686, 3123), (694, 3087), (882, 2429), (1029, 2082), (1041, 2058)]